{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,14]],"date-time":"2026-09-14T11:08:36Z","timestamp":1789384116611,"version":"build-2803163510"},"reference-count":40,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2021,4,11]],"date-time":"2021-04-11T00:00:00Z","timestamp":1618099200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Physiologia Plantarum"],"published-print":{"date-parts":[[2021,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Salicylic acid (SA) is a plant hormone involved in a series of growth, development, and stress responses in plants. Nonexpressor of pathogenesis\u2010related genes 1 (<jats:italic>NPR1<\/jats:italic>) is the core regulatory gene in the process of SA\u2010mediated systemic acquired resistance (SAR). Whether <jats:italic>NPR1<\/jats:italic> is involved in pollen tube growth mediated by SA and its derivative MeSA (methyl salicylate) remains to be explored. Here, we found that the contents of endogenous SA and MeSA in self\u2010 or cross\u2010pollinated pistils changed significantly, and exogenous SA and MeSA significantly promoted pollen germination and pollen tube elongation of <jats:italic>Camellia oleifera<\/jats:italic> at lower concentrations. <jats:italic>CoNPR1<\/jats:italic>, <jats:italic>CoNPR3.1<\/jats:italic>, <jats:italic>CoNPR3.2<\/jats:italic>, and <jats:italic>CoNPR5<\/jats:italic> were identified, and they were all located in the nucleus. A high level of consistency was observed across the phylogenetic relationships, gene structures, and functional domains, indicating a clear division of function, as observed in other species. The expression levels of <jats:italic>CoNPR1<\/jats:italic>, <jats:italic>CoNPR3.1<\/jats:italic>, <jats:italic>CoNPR3.2<\/jats:italic>, and <jats:italic>CoNPR5<\/jats:italic> in self\u2010 and cross\u2010pollinated pistils had certain regularity. Furthermore, they exhibited tissue\u2010specific expression pattern. <jats:italic>CoNPR1<\/jats:italic> and <jats:italic>CoNPR3.1<\/jats:italic> were expressed in pollen tubes, whose expression was regulated by SA or MeSA, and their expression patterns were basically consistent with the trend of pollen germination. These results indicate that SA and MeSA are involved in the pollen tube growth of <jats:italic>C. oleifera<\/jats:italic>, and <jats:italic>CoNPRs<\/jats:italic> may play an important role therein.<\/jats:p>","DOI":"10.1111\/ppl.13410","type":"journal-article","created":{"date-parts":[[2021,3,31]],"date-time":"2021-03-31T08:12:14Z","timestamp":1617178334000},"page":"2181-2190","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":17,"title":["<i>CoNPR1<\/i> and <i>CoNPR3.1<\/i> are involved in SA\u2010 and MeSA\u2010 mediated growth of the pollen tube in <i>Camellia oleifera<\/i>"],"prefix":"10.1111","volume":"172","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5035-8225","authenticated-orcid":false,"given":"Mengqi","family":"Lu","sequence":"first","affiliation":[{"name":"Key Laboratory of Cultivation and Protection for Non\u2010Wood Forest Trees, Ministry of Education Central South University of Forestry and Technology  Changsha 410001 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Junqin","family":"Zhou","sequence":"additional","affiliation":[{"name":"Key Laboratory of Cultivation and Protection for Non\u2010Wood Forest Trees, Ministry of Education Central South University of Forestry and Technology  Changsha 410001 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yiyao","family":"Liu","sequence":"additional","affiliation":[{"name":"Key Laboratory of Cultivation and Protection for Non\u2010Wood Forest Trees, Ministry of Education Central South University of Forestry and Technology  Changsha 410001 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jin","family":"Yang","sequence":"additional","affiliation":[{"name":"Key Laboratory of Cultivation and Protection for Non\u2010Wood Forest Trees, Ministry of Education Central South University of Forestry and Technology  Changsha 410001 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaofeng","family":"Tan","sequence":"additional","affiliation":[{"name":"Key Laboratory of Cultivation and Protection for Non\u2010Wood Forest Trees, Ministry of Education Central South University of Forestry and Technology  Changsha 410001 China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2021,4,11]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1105\/tpc.109.069971"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0092-8674(00)81858-9"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.95.11.6531"},{"key":"e_1_2_8_5_1","first-page":"66","article-title":"The cryopreservation of Camellia oleifera pollen","volume":"38","author":"Chang W.","year":"2018","journal-title":"Journal of Central South University of Technology"},{"key":"e_1_2_8_6_1","first-page":"1","article-title":"A new view 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